(19)

(11)

EP 4 158 896 A1

(12)

(43) Date of publication: 05.04.2023 Bulletin 2023/14 (21) Application number: 21734616.2 (22) Date of filing: 27.05.2021

(51) International Patent Classification (IPC):  H04N 21/439(2011.01) H04N 21/488(2011.01) H04N 21/472(2011.01) (52) Cooperative Patent Classification (CPC): H04N 21/4396; H04N 21/472; H04N 21/4884 (86) International application number: PCT/US2021/034458 (87) International publication number: WO 2021/242985 (02.12.2021 Gazette 2021/48)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 28.05.2020 US 202016886002 (71) Applicant: Snap Inc. Santa Monica, CA 90405 (US)	(72) Inventors: HORNSBY, David Michael Santa Monica, California 90405 (US) KASSABLI, Georgiy Santa Monica, California 90405 (US) THORNBERRY, Kevin Joseph Santa Monica, California 90405 (US) (74) Representative: Kramer, Dani et al Mathys & Squire The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)